The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)

Hydraulics and Fluid Mechanics in ME
The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)

Q = Cd × a × 2gh

Q = (2/3). Cd × a × h

Q = (3Cd × a)/√(2h)

Q = (Cd × a)/√(2gh)

Q = Cd × a × 2gh

Q = (2/3). Cd × a × h

Q = (3Cd × a)/√(2h)

Q = (Cd × a)/√(2gh)

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which its own molecules are attracted is called

compressibility

cohesion

viscosity

adhesion

compressibility

cohesion

viscosity

adhesion

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Hydraulics and Fluid Mechanics in ME
A hydraulic coupling belongs to the category of

Power developing machines

Power absorbing machines

Energy transfer machines

Energy generating machines

Power developing machines

Power absorbing machines

Energy transfer machines

Energy generating machines

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Hydraulics and Fluid Mechanics in ME
A body floating in a liquid is said to be in neutral equilibrium, if its metacentre

Coincides with its centre of gravity

Lies below its centre of gravity

Lies above its centre of gravity

Lies between the centre of buoyancy and centre of gravity

Coincides with its centre of gravity

Lies below its centre of gravity

Lies above its centre of gravity

Lies between the centre of buoyancy and centre of gravity

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a curve, is called

Two-dimensional flow

Four-dimensional flow

One-dimensional flow

Three-dimensional flow

Two-dimensional flow

Four-dimensional flow

One-dimensional flow

Three-dimensional flow

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Hydraulics and Fluid Mechanics in ME
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

1/8 to 1/4

1/16 to 1/8

1/3 to 1/2

1/4 to 1/3

1/8 to 1/4

1/16 to 1/8

1/3 to 1/2

1/4 to 1/3

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)

Hydraulics and Fluid Mechanics in ME Property of a fluid by which its own molecules are attracted is called

Hydraulics and Fluid Mechanics in ME A hydraulic coupling belongs to the category of

Hydraulics and Fluid Mechanics in ME A body floating in a liquid is said to be in neutral equilibrium, if its metacentre

Hydraulics and Fluid Mechanics in ME A flow whose streamline is represented by a curve, is called

Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

Hydraulics and Fluid Mechanics in ME
The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)

Hydraulics and Fluid Mechanics in ME
Property of a fluid by which its own molecules are attracted is called

Hydraulics and Fluid Mechanics in ME
A hydraulic coupling belongs to the category of

Hydraulics and Fluid Mechanics in ME
A body floating in a liquid is said to be in neutral equilibrium, if its metacentre

Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a curve, is called

Hydraulics and Fluid Mechanics in ME
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be